Moderna Warns of Material Drop in Vaccine Efficacy Against Omicron Moderna Warns of Material Drop in Vaccine Efficacy Against Omicron

"I think it ' s going to be a material drop. I just don ' t know how much, because we need to wait for the data."WebMD Health News
Source: Medscape Medical News Headlines - Category: Consumer Health News Tags: Infectious Diseases News Source Type: news